30 to 35 PSI at cruising speed is normal for your engine.
At idle speed, anything between 1 and 15 psi is normal
Agreed, the problem I am seeing is that it is taking way too long for the oil pressure to come up from zero when the engine is started after it has been sitting a few days. I have not had that issue since owning the truck.
I believe I have two courses of am going to have to pull the oil pan and check bearings as Hotrod Lincoln mentioned.
Kevin